星地一体化通信系统中,卫星网络与辅助地面网络共用一段频率,这有利于提高系统频谱效率,但也带来了系统内同频干扰。为了更加准确地计算同频干扰,利用Wilkinson方法将大量干扰源等效为单一干扰源,建立了等效干扰源的统计模型计算同频干扰概率。%In integrated satellite and terrestrial communication system,the satellite based network and ancillary terrestrial network share the same frequency band,which is helpful to improve the frequency spectrum efficiency while introducing the same frequency interference in the system. To calculate the same frequency interference accurately,a large number of interfe⁃rence sources are equivalent to a single source by means of Wilkinson method. The statistical model of the equivalent interfe⁃rence source was established to calculate the probability of the same frequency interference.
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